"use strict";
function getter() {
    console.log('我出现了');
}
function greeter(person) {
    return 'hellow,' + person;
}
var user = 'wuyucun'; // 这样一点问题都没有。但是如果是
var erroUser = [1, 2];
document.body.innerHTML = greeter(user);
function greeter1(person) {
    return 'Hellow,' + person.firstName + ',' + person.lastName;
}
var user1 = {
    firstName: 'wyc',
    lastName: 1
};
var greetera = greeter1(user1);
